/*
 * Copyright (C) 2016 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.squareup.sqlbrite2;

import static com.google.common.truth.Truth.assertThat;
import static java.util.concurrent.TimeUnit.SECONDS;

final class BlockingRecordingObserver extends RecordingObserver {
  protected Object takeEvent() {
    try {
      Object item = events.pollFirst(1, SECONDS);
      if (item == null) {
        throw new AssertionError("No items.");
      }
      return item;
    } catch (InterruptedException e) {
      throw new RuntimeException(e);
    }
  }

  @Override public void assertNoMoreEvents() {
    try {
      assertThat(events.pollFirst(1, SECONDS)).isNull();
    } catch (InterruptedException e) {
      throw new RuntimeException(e);
    }
  }
}
